Last Minute Flights from Ontario

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Fare calendar for the next 30 days
Fare calendar for the next 30 days

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* Rates are in CAD and based on historical search data, subject to change. GoLastMinute is a travel comparison site and does not sell tickets. Prices and availability are provided by partners and may not be available for your departure city. $69+ CAD sample rate based on a roundtrip fare from SAN to PHX from 06/05/2026 - 06/08/2026, found on 05/24/2026 with Frontier Airlines for $63 CAD.

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Last Minute Flight Deals from Ontario to Anywhere

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Charlotte
$258+
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Austin
$318+
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Dallas
$332+
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Nashville
$347+
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Las Vegas
$358+
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New York
$361+
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Denver
$370+
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Seattle
$370+
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Las Vegas
$370+
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Reno
$370+
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Salt Lake City
$370+
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Sacramento
$378+
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Miami
$384+
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San Antonio
$386+
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San Francisco
$389+
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Portland
$389+
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Austin
$250+
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Salt Lake City
$257+
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Charlotte
$260+
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Fayetteville
$275+
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Nashville
$280+
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Las Vegas
$291+
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Dallas
$293+
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Denver
$303+
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Seattle
$310+
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Portland
$319+
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Phoenix
$319+
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Cancun
$329+
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Sacramento
$331+
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San Francisco
$336+
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San Antonio
$336+
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San Jose
$340+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Las Vegas
$51+
Jun 23 – Jun 30
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San Francisco
$65+
Jun 17 – Jun 23
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Phoenix
$105+
Jun 16 – Jun 17
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Denver
$139+
Jun 24 – Jun 30
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Los Angeles
$160+
Jun 24 – Jun 30
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Seattle
$168+
Jun 8 – Jun 9
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Dallas
$188+
Jun 9 – Jun 10
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Miami
$244+
Jun 3 – Jun 11
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Nashville
$260+
Jun 11 – Jun 15
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Orlando
$263+
Jun 9 – Jun 15
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Atlanta
$269+
Jun 17 – Jun 30
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New York
$278+
Jun 3 – Jun 5
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Airports in and nearby Ontario

The most commonly used airport near to Ontario is Ontario International (ONT), which is 2.75 kilometers from the center of the city.

Where can I go from Ontario International (ONT)?

People search the most for flights from Ontario to Las Vegas, Seattle, and Phoenix.

How to find the cheapest flights from Ontario?

The GoLastMinute Canada Fare Calendar is a great tool to find the best prices.